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Home > Latest News at GL
Contact Details
Archived New Product Announcements
- STM-1 Mux and Traffic Capture / Analysis Hardware
STM-1 Mux is a cost-effective, compact (only 1U high), SDH (Synchronous Digital Hierarchy) multiplexer that is designed for applications in metro and access
networks for efficient transport of traditional TDM and emerging data traffic.
Please visit the STM-1 Mux and Traffic Capture / Analysis Hardware page for more information.
- MAPS™ - SIP-I (Scripted SIP-I and SIP-T Emulation)
MAPS™-SIP-I is an advanced protocol simulator/tester for SIP-ISUP simulation over IP that can simulate SIP ISUP signaling specification as defined by the
ITU and IETF standards. This test tool is designed for SIP-I Testing can simulate Signaling Gateway / Softswitch as a User Agents Client (UAC), which sends
SIP requests with ISUP message and User Agent Server (UAS), which receives the requests as Signaling Gateway / Softswitch and returns a SIP response
with proper ISUP message attached.
Please visit the MAPS™ - SIP-I (Scripted SIP-I and SIP-T Emulation) page for more information.
- MAPS™ – ISDN over IP (ISDN SIGTRAN) Emulator
MAPS™- ISDN-SIGTRAN is an advanced protocol simulator/tester used for ISDN simulation over IP. The tester can simulate a complete ISDN
connection between SG (Signaling Gateway) to MGC (Media Gateway Controller), where ISDN signaling are as defined by the ITU-T Q.921 / Q.931 standards.
The application is built with ready-to-use scripts, which generates and processes all ISDN messages including Setup, Connect, Release messages, and others.
Please visit the MAPS™ – ISDN over IP (ISDN SIGTRAN) Emulator page for more information.
- MAPS™ - UMTS for Iu-CS and Iu-H Interfaces
MAPS™ designed for testing UMTS – IuCs can simulate RNC (Radio Network Controller), and 3G MSC (3G Mobile Switching Centre) by generating
RANAP messages and signaling specification as defined by 3GPP standards over IP (as Transport layer).
MAPS™ designed for testing UMTS – IuH can simulate Femto Home Node B (HNB), and a Femto Home Node Gateway (HNB-GW). A femtocell is a
small cellular base station designed for use in residential or small business environments. IuH links Femto Access Point (HNB) and a Femto
Gateway (HNB-GW).
Please visit the MAPS™ - UMTS for Iu-CS and Iu-H Interfaces page for more information.
- MAPS™ - UMTS for Iu-PS Interface
MAPS™- UMTS IuPS Interface Emulator is an advanced protocol simulator/tester for UMTS IuPS interface that can simulate RANAP messages and
signaling specification as defined by 3GPP standards over IP (as Transport layer). Simulates RNC and SGSN in UMTS IuPS interface generating and
processing RANAP, GPRS Mobility Management, and Session Management messages and procedures.
Please visit the MAPS™ - UMTS for Iu-PS Interface page for more information.
- MAPS™ - LTE S1 Interface
GL’s MAPS™-LTE S1 is designed to simulate network elements such as eNodeB (Evolved Node B), and MME (Mobility
Management Entity).The application gives the users the unlimited ability to edit S1-AP/NAS messages and control scenarios
(message sequences).
Please visit the MAPS™ - LTE S1 Interface page for more information.
- MAPS™ - LTE eGTP (S3, S4, S5, S8, S10, S11 and S16 Interfaces)
MAPS™-eGTP can act either as MME (Mobility Management Entity) or as SGW (Serving Gateway) in S11 interface and SGW
(Serving Gateway) or as PGW (PDN Gateway) in S5/S8 interface. The application gives the users the unlimited ability to edit eGTP-C
(Evolved GPRS Tunneling Protocol for Control Plane (eGTP-c) messages and control scenarios (message sequences).
Please visit the MAPS™ - LTE eGTP (S3, S4, S5, S8, S10, S11 and S16 Interfaces) page for more information.
- Echo Measurement Utility (EMU)
GL’s Echo Measurement Utility (EMU) software is an offline analysis application that compares source and received files
to determine echoes (maximum of four echoes), and performs detailed analysis depending on the echo type – Line (Hybrid),
or Acoustic.
Please visit the Echo Measurement Utility (EMU) page for more information.
- tProbe™ T1 E1 VF and Serial Data Analysis and
Emulation Hardware
GL's new tProbe™ is an enhanced version of our popular USB based T1 E1 VF Analyzer / Emulator.
This hardware incorporates all the features of the previous analyzer such as portability, USB interface, remote accessibility, scripting,
and a vast collection of optional applications.
Please visit the tProbe™ T1 E1 VF and Serial Data Analysis and Emulation Hardware
page for more information.
- PacketExpert™ - Quad Port Ethernet/IP Tester
GL's PacketExpert™ is a Portable Quad Port Ethernet Tester (USB based) with 4 electrical 10/100/1000 Ethernet
ports and 2 Optical Ports. The portable Ethernet/IP tester connects to Notebook PC through a USB 2.0 interface.
Please visit the PacketExpert™ - Quad Port Ethernet/IP Tester page for more information.
- MAPS – SIGTRAN (SS7 over IP)
GL's MAPS-SIGTRAN™ is an advanced protocol simulator/tester for SS7 simulation over IP Networks.
It can simulate a Signaling Gateway and Softswitch ISUP signaling specification as defined by ITU-T standards.
Please visit the MAPS – SIGTRAN (SS7 over IP) page for more information.
- LTE (Long Term Evolution) Protocol Analyzer
GL's LTE analyzer is capable of capturing, decoding and performing various test measurements across various
interfaces i.e. S1, S3, S4, S5 (or S8), S6a, S10, S11, S13 and X2 interfaces of the LTE network.
GL Communications supports both Real-time and Offline types of LTE Analyzer. Required pre-requisites are -
Hardware Dongles and Windows® 2000/XP/Vista Operating System.
Please visit the LTE (Long Term Evolution) Protocol Analyzer page for more information.
- TDM Protocol Identifier
The Protocol Identifier application can identify various protocols carried on T1 or E1 lines. It is capable of detecting
protocols such as ISDN, ATM, HDLC, MTP2, LAPD, SS7, PPP, GSM, GSM Abis, TRAU and Frame Relay. The timeslots and the
subchannels within timeslots are also identified. Once identified, detailed analysis can be carried out by individual
Protocol Analyzers. This application is helpful in identifying traffic types at a concentrated point, DSX patch panel, or
multiplexed facility.
Please visit the TDM Protocol Identifier page for more information.
- Call Data Records
CDR provides comprehensive information on each and every call occurring on T1 E1 lines, including: voice capture for
both directions, complete signaling information for each direction for CAS, ISDN, MFC-R2, SS7, all alarms and errors
occurring during the call including BPV, Frame Errors, CRC errors, Loss Of Sync, and more
Please visit the Call Data Records page for more information.
- PacketProbe™ - An Embedded VoIP Monitoring Solution
GL's PacketProbe™ is an advanced embedded VoIP monitoring software. The PacketProbe™ passively
monitors VoIP traffic carried over LAN or WAN by producing real-time per call and per-stream voice quality metrics.
Call Detailed Records (CDR) along with voice quality including Mean Opinion Score (MOS) and other vital diagnostic
information provide network managers immediate visibility into service quality, call volume, and call details. Service
providers should be able to rapidly drill down and diagnose voice quality problems. PacketProbe™ software
can be used as an embedded application or as standalone probe appliance. Multiple PacketProbes™ can
provide network wide voice quality visibility through GL’s PacketScanWEB™ or other NMS systems.
Please visit the PacketProbe™ - An Embedded VoIP Monitoring Solution page
for more information.
- LightSpeed1000™ - OC3/12 and STM1/4
Analysis and Emulation Card (w/ GigE and USB 2.0)
The LightSpeed1000™ is our new dual OC3 / 12 STM1 /4 PCI-Express card for protocol analysis and emulation of ATM,
POS, RAW, and Ethernet traffic. The card also sports 2 GigaBytes of DDR2 RAM, a GigE, and a USB 2.0 interface making this
card one of the most versatile and powerful cards in GL’s repertoire.
Please visit the LightSpeed1000™ - OC3/12 and STM1/4 Analysis
and Emulation Card (w/ GigE and USB 2.0) page for more information.
- Dual Universal Telephony Adapter (UTA)
The Dual Universal Telephony Adapter (Dual UTA) is a comprehensive hardware device designed to interface and test
the voice quality of telecommunication networks. The Dual UTA features all the circuitry necessary to universally adapt to
any telephony instrumentation, such as standard Plain Old Telephone Systems (POTS), digital hybrid interfaces, Voice over
Internet Protocol (VoIP) networks, wireless cellular phones and mobile radios including devices that utilize Bluetooth®
technology.
Please visit the Dual Universal Telephony Adapter (UTA) page for more information.
- PacketCheck™ - Software Ethernet Tester
GL's PacketCheck™ is a PC based Ethernet test tool that is designed to check frame transport ability, and
throughput parameters of Ethernet and IP networks.
It can be used as a general purpose Ethernet performance analysis for 10Mbps, 100Mbps and 1Gbps Ethernet local
area networks. The PacketCheck™ makes use of the network interface card (NIC) in the PC to transmit and
receive Ethernet packets over the network. Throughput up to 800 Mbps can be easily tested.
Please visit the PacketCheck™ - Software Ethernet Tester page for more
information.
- PCI Based Universal T1/E1 Cards
GL’s new Universal T1/E1 card is capable of both T1 and E1 interfacing. In addition with the other basic T1/E1 line
signals monitoring applications, the Universal T1/E1 cards also support Pulse Mask Compliance Testing, and Monitor Jitter
Measurement applications. Cross-port and Through mode hardware loop-backs are also provided on the Universal T1/E1
cards.
Please visit the PCI Based Universal T1/E1 Cards page for more information.
- LinkTest™ SINGLE
GL’s LinkTest™ SINGLE is a sophisticated bit error rate tester in a compact, hand held package. The
unit can test a wide variety of communications facilities and equipment including Asynchronous, Synchronous, T1, fractional
T1, E1, fractional E1, modems, multiplexers, CSU/DSUs, T1 ESF CSUs, DU, NTUs and TIUs.
Please visit the LinkTest™ SINGLE page for more information.
- LinkTest™ SINGLE+
GL’s LinkTest™ SINGLE+ is a sophisticated bit error rate tester in a compact, hand held package. The
unit can test a wide variety of communications facilities and equipment including DDS, T1, fractional T1, E1, fractional E1,
T3 and E3, NTUs, multiplexers, CSU/DSUs, T1 CSUs, DTUs and TIUs.
Please visit the LinkTest™ SINGLE+ page for more information.
- LinkTest™ DUAL
GL’s LinkTest™ DUAL is a sophisticated bit error rate tester in a compact, hand held package with dual
interfaces and a full color display. The unit can test a wide variety of communications facilities and equipment including T1,
fractional T1, E1, fractional E1, T3 and E3 modems, multiplexers, CSU/DSUs, T1 CSUs, DTUs, NTUs and TIUs.
Please visit the LinkTest™ DUAL page for more information.
- LinkSim™
GL’s LinkSim™ simulates a variety of communications links, inserting delays and inserting errors such that the
user can determine what effects these impairments will have on their systems.
Please visit the LinkSim™ page for more information.
- Laptop T3 E3 T1 E1 Ethernet Analyzer
GL’s T3/E3 analyzer unit used in conjunction with GL’s Laptop T1/E1 analyzer provides a complete T3/E3
(44.736/34.368 Mbps), T1/E1 (1.544 Mbps / 2.048Mbps), and DS0 (64Kbps) testing solution.
Please visit the Laptop T3 E3 T1 E1 Ethernet Analyzer page for more information.
- 2-Wire Voice/Data Capture
The GL Voice Recorder is used to manually capture the voice/data over a 2-wire Analog interface. Using the 2-wire
Phone Tap adaptor, one can non-intrusively ‘tap’ into the analog 2-wire line via the RJ11 interface and capture the
bi-directional voice/data. The recorded voice/data is automatically saved into a single PCM file.
Please visit the 2-Wire Voice/Data Capture page for more information.
- DCOSS BRI Phone Simulator (BPS)
The BRI Phone Simulator (BPS) converts GL's DCOSS into a BRI ISDN Terminal Phone Simulator. The BPS can simulate
a bank of up to 128 BRI telephones (terminal side), each supporting one D-channel and two B-channels. Using a basic
DCOSS with E1 PRI ISDN trunks along with a BPS external box, the DCOSS BPS may be used to test a BRI Network.
Please visit the DCOSS BRI Phone Simulator (BPS) page for more information.
- 2-Wire Phone Tap
The 2-Wire Phone Tap connects non-intrusively to any analog telephone line and to the USB Interface of a PC for
recording incoming calls and outgoing calls. Voice in both directions, Caller ID, and DTMF digits are all recorded, detected,
and decoded. The 2-Wire Phone Tap can also connect to any IP, digital, analog, or chordless telephone at the handset
curly cord point.
Please visit the 2-Wire Phone Tap page for more information.
- Audio Processing Utility Software
Audio processing utility is a pre-processing application used for manipulating the input audio (tones, and voice) files
with impairments such as delay, noise, acoustic echo, line echo, and double talk. An echo file is generated if a
corresponding line or acoustic echo filter is specified. It analyzes the given coefficients files and calculates the applied
delay & ERL. The degraded audio output file can then be visually analyzed or used for further speech analysis with GL’s
Voice Quality Testing, Digital Echo Canceller & other applications.
Please visit the Audio Processing Utility page for more information.
- Near Real-time Voice-band Analyzer Software
The Near Real-time Voice-band Analyzer (VBA) is an analysis tool for monitoring voice band network traffic. The VBA
can host different analysis modules for monitoring speech and noise levels, line echo, and acoustic echo. The standard
modules included in the application are ITU-T P.56 Active Voice Level analysis, Line Echo (Hybrid) analysis, and Acoustic
Echo analysis. Other analysis modules such as ITU-T P.561, P.562, and P.563 can be hosted as plug-ins.
Please visit the Voice-band Analyzer page for more information.
- IPNetSim™ - IP Network Simulator
IPNetSim™ can simulate an entire IP network in a single box. All the conditions encountered in a real-time IP
network are simulated such as network latency, network delay variation (jitter), bandwidth, congestion, packet errors,
bit errors and other link impairments independently in both directions at speeds of up to 100 Mbps (or1Gbps per link).
It can be used to test IP end point devices such as (Gateways, IADs, IP phones, Soft phones, and so on) for voice, fax,
data, or multimedia transmission over IP.
Please visit the IPNetSim™ page for more information.
- MC-MLPPP Emulator - For Automated Testing of PPP, MLPPP, &
MC-MLPP using Client Server
Automated testing can be accomplished using client-server based PPP, MLPPP, & Multi-Channel (MC) MLPPP
Emulation and Analysis (MLPPPTerr) module. The application permits traffic generation and verification over PPP links
and may be accessed through a GUI or through command line scripts.
Please visit the MLPPP
and PPP Emulator page for more information.
- VQuad™
GL's VQuad™ makes assessing Voice Quality between and within differing networks easy, portable, and
convenient. The system provides all necessary capability for automatic measurement of Voice Quality and QOS for
any desired network including VoIP, TDM, Wireless, or Analog. The VQuad™ VQT System provides interfaces for
wireless/WiFi phones, VoIP/Digital phones, PSTN (2-wire) phones, VoIP (SIP/H.323) and T1/E1 (ISDN and CAS). Up to
8 devices can be controlled simultaneously on a single portable system.
Please visit the VQuad™ page for more information.
- MobNetMon™
MobNetMon™ can monitor "off-air" GSM network signals as one drives through a GSM service area. Any of
the world's GSM bands can be monitored with the included "quad-band" wireless phone and accompanying software.
MobNetMon™ can determine weak points in a wireless network by generating calls, identifing primary and
surrounding GSM base stations, decoding GSM protocol messages, including call traces and protocol analysis.
Please visit the MobNetMon™ page for more information.
- CAS Simulator
GL's CAS simulator is a client-side application that works along with the GL's T1/E1 Analyzer. This optional
application simulates any user defined CAS protocol as well as providing analysis of the CAS Protocol by providing
signaling bit transitions and forward/backward frequency tones/digits.
Please visit the CAS Simulator page for more information.
- Message Automation & Protocol Simulation (MAPS™)
Message Automation & Protocol Simulation (MAPS™) is a SIP test tool/traffic generator, which is used to s
imulate any interface in a SIP network and perform protocol conformance testing (SIP protocol implementations,
Megaco). MAPS as a testing tool can simulate User Agents (User Agent Server- UAS, User Agent Client - UAC), Proxy,
Registrar, and Redirect Servers. The tool is designed with 300+ test cases, as per specification of ETSI TS 102 027-2
document.
Please visit the MAPS page for more information.
- GLInsight™
GLInsight™ is a state-of-the-art system that provides promptly processed information and analysis of data
collected on IP and PSTN networks. Decoded results are analyzed on a per-network basis. Alternatively, data from two
networks can be combined to provide additional insight into the networks' behavior.
Please visit the GLInsight™ page for more information.
- CDMA 2000 Protocol Analyzer
GL's CDMA analyzer is used to analyze and view protocols across A, Ater, Aquinter, & Aquater signaling interfaces. CDMA analyzer
uses GL's proven T1/E1 internal cards or Laptop T1/E1 external units.
Please visit the CDMA 2000 Protocol Analyzer page for more information.
- UMTS Protocol Analyzer
GL's UMTS analyzer is capable of capturing, decoding and performing various test measurements across various interfaces i.e.
Iub, Iur, IuCs and IuPs interfaces of the UMTS network. In addition, it supports ATM as the transport layer. It helps in fault
diagnosis and troubleshooting UMTS network.
Please visit the UMTS Analyzer page for more information.
- PPP Analyzer
GL's PPP Analyzer can be used to capture a host of PPP protocols exchanged between the two nodes over T1/E1 link. User can
obtain detailed analysis of the protocol and can perform various statistics measurements.
Please visit the PPP Analyzer page for more information.
- RTP ToolBox™
RTP ToolBox™ application is used to create, monitor, and terminate RTP sessions. In addition, the application can be used to
generate and analyze traffic in the stream. Users can create sessions by specifying the destination IP address, the source
and the destination ports of an RTP media stream.
Please visit the RTP ToolBox™ page for more information.
- Voice Enhancement Device Test Per G.160 and G.169
This application is designed to test the functionality of the voice enhancement devices per G.160 and G.169, including signaling
tones tests, noise reduction signal level tests, noise compensation tests, ALC (automatic level control) tests, receive path VIT
(voice improvement test) tests, send path EVI (enhanced voice intelligibility) tests.
Please visit the Voice Enhancement Device Test Per G.160 and G.169 page for more
information.
- Active Voice / Noise Level Monitor
The Active Voice Level Monitor computes the Active Voice Level of a signal according to the ITU-T P.56 specification, Method B.
You can obtain and analyze the source signal in real time from T1/E1 timeslots, or you can process signal data captured to files
as an offline process.
Please visit the Active Voice / Noise Level Monitor page for more information.
- SIGTRAN Protocol Analyzer
GL's SIGTRAN protocol decoder software permits real-time analysis, call trace, capture, and filter of SS7 and ISDN signaling
messages over IP protocol. This software is available as optional software under GL's PacketScan software. It is also
complementary to GL's award winning SS7 and ISDN protocol analyzers.
SIGTRAN (RFC 2960, 3332, 3331, 3057) is used to carry Q.931, SS7 ISUP, SCCP, TCAP, etc. messages between IP nodes
such as a Signaling Gateway and Media Gateway Controller or Media Gateway. SIGTRAN uses a new connection oriented
transport protocol called Stream Control Transport Protocol (SCTP - RFC 2960). SCTP is at the same level but more efficient
at transport than TCP, UDP, or RTP.
Please visit the SIGTRAN Analyzer page for more information.
- PacketH323™
PacketH323™ is a PC-based real-time VoIP call generator for providing voice band testing over the H.323 VoIP
Protocol. PacketH323™ can generate single calls, either manually or in an automated fashion, and generate an
array of traffic once the call session is established. Call Records, Call Statistics, Protocol Events are all captured and
displayed to the user in real time. It is fully Client/Server enabled, thus, the user can control it from a remote location
either within a Client GUI or a Client Command Line (supports scripting applications). An optional hardware RTP can
support real-time voice calls from analog phones, or fax calls from fax machines.
Please visit the PacketH323™ page for more information.
- Voice Call Management Utility
GL's Voice Call Management Utility (CMU), coupled with the GL's T1/E1 Call Capture and Analysis (CCA) application, provides
all the necessary features to perform management of large volume of recorded voice calls. The CMU facilitates the job of
manipulating recorded voice calls, including sorting of calls and filtering specific types of calls based on called or calling
number, time of day, or length of call.
Please visit the Voice Call Management Utility page for more information.
- ATM Protocol Analyzer
GL's ATM Analyzer is used to analyze and view ATM protocols across the U-plane for both NNI and UNI interface.
ATM analyzer uses GL's field proven Ultra E1 or T1 internal cards or Dual Laptop E1 or T1 external products.
Please visit the ATM Analyzer page for more information.
- GPRS Protocol Analyzer
General Packet Radio Service (GPRS) permits continuous data connectivity over wireless GSM networks.The GPRS Analyzer
performs real time (and offline) analysis across the Gb (T1/E1) and Gn (Ethernet) interface.
Please visit the GPRS Protocol Analyzer page for more information.
- PacketGen™ & PacketScan™
Voice transmission over packet networks continue to present challenging quality of service issues - including echo, delay,
voice clipping, and impairments due to lost or jittered packets. These problems are exacerbated even further during high
loads or high degree of voice compression. Adequate tools for creating stress conditions and simultaneously characterizing and
measuring impairments are not readily available. GL's PacketGen™ and PacketScan™ products fill this
void with a complimentary set of tools for stress testing, monitoring, and analysis VoIP network elements.
Please visit the PacketGen™ & PacketScan™ page for more information.
- TRAU Analyzer
The TRAU Analyzer is part of GL's optional GSM Analyzer and is used to view and analyze TRAU frames at the Abis interface
(between the BTS and the BSC). The Transcoder/Rate adaptor unit (TRAU) may be positioned at the MSC site of the BSS
or at the BSC site of the BSS.
Please visit the TRAU Analyzer page for more information.
- Real Time Strip Chart Application
The Real-Time Strip Chart application is an optional software for analysis of CAS signaling, with GL Communications' field
proven Ultra E1 or T1 internal cards or Laptop E1 or T1 external products. Strip-Chart application enables non- intrusive
capturing of PCM data and signaling, and subsequent plotting of the same onto a strip chart format. The application is
perfect for CAS protocols, DTMF or MF Signaling, or other voice and signaling timing relationships.
Please visit the Real Time Strip Chart Application page for more information.
- PRI ISDN Emulator
GL's ISDN Emulator offers a complete solution for testing, troubleshooting, installation and maintenance of devices and
networks implementing PRI ISDN. It is useful to test ISDN products designed for either U or S/T interface, including
network terminations, Type 1 terminating equipment, and terminal adapters. ISDN equipment includes telephones,
switchboards, PBXs, PC cards, Video Conferencing Equipment, Interconnect Systems, switches and routers.
Please visit the PRI ISDN Emulator page for more information.
- Realtime Multi-Channel Audio Driver
The GL Real-Time Multi-Channel Audio Driver option allows almost any software, which normally sends/receives sound
to a sound card, to redirect the audio streams to/ from timeslots on a T1 or E1 line. The Real-Time Multi-Channel Audio
Driver is an optional piece of software for GL's T1 and E1 Analysis cards, and works with almost any sound software
such as Cool Edit 2000, Cool Edit Pro, Windows Media Player, etc. This Audio Driver may be installed on Windows
2000 and Windows XP systems.
Please visit the Realtime Multi-Channel Audio Driver page for more information.
- Automated Wireless VQT
GL Introduces VQuad™ software combined with GL's Voice Quality Testing (VQT) software that
permits assessment of mobile end-to-end voice quality. It is a hassle-free compact and portable product solution with
a host of other features.
Please visit the Automated Wireless VQT page for more information.
- Ultra OC-3 / STM-1 Analyzer
The Ultra OC-3 / STM-1 card (PCI) plugs into a PC expansion slot for analyzing, testing, simulating, and monitoring OC-3
and STS-1 signals. The board can add and drop T1, E1, T3, or STS-1 signals to and from an OC-3 signal, and can also
add and drop T1 and E1 signals to and from an STS-1. The Ultra OC-3 / STM-1 card may be used in conjunction with GL's
Ultra T1 Card, Ultra E1 Card and Ultra T3 Card in the same PC to provide a complete OC-3, DS3, DS1, E1 and DS0
testing solution. Accompanying Windows-98/NT/2000/XP software affords easy operation.
Please visit the Ultra OC-3 / STM-1 Analyzer page for more information.
- Multi Channel BERT Application
Multi-channel Bit Error Rate Testing (MCBERT) measures correctness of data received on T1/E1 lines/timeslots with stored
data in a reference file. The application can work in real-time with data currently being received on T1/E1 lines/timeslots,
or off-line with data stored in a file. The on-line T1/E1 testing can be done on full or fractional T1/E1 timeslots.
Please visit the Multi Channel BERT Application page for more information.
- GSM Protocol Analyzer
The GSM Analyzer is used to view and analyze GSM protocols using GL's PCI Ultra E1 and Ultra T1 Cards (internal-to-PC)
or GL's Dual Laptop E1 or Dual Laptop T1 (portable external to PC) products. The GSM Analyzer can monitor the A-interface
and A-bis interface in GSM networks. Generally, GL's E1/T1 Card or Portable product will be connected between the nodes
of GSM elements to monitor the control signals between them.
Please visit the GSM Protocol Analyzer page for more information.
- V 5.x Protocol Analyzer
The V5.x Analyzer is used to view and analyze the signals using GL's PCI Ultra E1 Card (internal-to-PC) or GL's Dual Laptop
E1 (portable external to PC) products. The V5.x Analyzer is made for V5.x , a switching and signaling telecommunication
protocol between Access Network (AN) and Local Exchange (LE) and operates only on E1 circuits. GL's E1 Card or Portable
Product will be connected between LE and AN to monitor the control signals between them.
Please visit the V 5.x Protocol Analyzer page for more information.
- HDLC Link Impairment Utility
The HDLC Link Impairment Utility (HLIU) offers various options to 'impair' (inject errors) specific HDLC frames of a real time
HDLC frame stream. The main use of this application is to verify the proper working of HDLC protocols by simulating various
scenarios taking place in a real-time network.
Please visit the HDLC Link Impairment Utility page for more information.
- Measuring Delay and Loss Over Circuit and Packet (VoIP) Networks using Delay/ERL
Application
Circuit and packet (VoIP) networks introduce impairments such as delay and loss to speech traffic.
Quantifying these impairments is an important first step to providing quality voice communications.The delay/ERL application
will measure delays and losses through circuit and packet networks using standard test equipment from one manufacturer.
Please visit the Measuring Delay and Loss Over Circuit and Packet (VoIP) Networks page for more information.
Contact Details
For more information on GL Communications contact:
GL Communications Inc.
818 West Diamond Avenue - Third Floor
Gaithersburg, MD 20878
Phone: 301-670-4784
Fax : 301-670-9187
Email: info@gl.com
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